144432023 has 4 divisors (see below), whose sum is σ = 145031568. Its totient is φ = 143832480.

The previous prime is 144431951. The next prime is 144432037. The reversal of 144432023 is 320234441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144432023 - 2⁸ = 144431767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144432023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144432073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299411 + ... + 299892.

It is an arithmetic number, because the mean of its divisors is an integer number (36257892).

Almost surely, 2^144432023 is an apocalyptic number.

144432023 is a deficient number, since it is larger than the sum of its proper divisors (599545).

144432023 is an equidigital number, since it uses as much as digits as its factorization.

144432023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599544.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 144432023 is about 12017.9874771111. The cubic root of 144432023 is about 524.6719316945.

Adding to 144432023 its reverse (320234441), we get a palindrome (464666464).

The spelling of 144432023 in words is "one hundred forty-four million, four hundred thirty-two thousand, twenty-three".